must cotton
Verbe régulier : cotton - cottoned- cottoned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must cotton
you must cotton
he must cotton
we must cotton
you must cotton
they must cotton 	I must be cottoning
you must be cottoning
he must be cottoning
we must be cottoning
you must be cottoning
they must be cottoning	I must have cottoned
you must have cottoned
he must have cottoned
we must have cottoned
you must have cottoned
they must have cottoned	I must have been cottoning
you must have been cottoning
he must have been cottoning
we must have been cottoning
you must have been cottoning
they must have been cottoning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not cotton
you must not cotton
he must not cotton
we must not cotton
you must not cotton
they must not cotton 	I must not be cottoning
you must not be cottoning
he must not be cottoning
we must not be cottoning
you must not be cottoning
they must not be cottoning	I must not have cottoned
you must not have cottoned
he must not have cottoned
we must not have cottoned
you must not have cottoned
they must not have cottoned	I must not have been cottoning
you must not have been cottoning
he must not have been cottoning
we must not have been cottoning
you must not have been cottoning
they must not have been cottoning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I cotton?
must you cotton?
must he cotton?
must we cotton?
must you cotton?
must they cotton? 	must I be cottoning?
must you be cottoning?
must he be cottoning?
must we be cottoning?
must you be cottoning?
must they be cottoning? 	must I have cottoned?
must you have cottoned?
must he have cottoned?
must we have cottoned?
must you have cottoned?
must they have cottoned? 	must I have been cottoning?
must you have been cottoning?
must he have been cottoning?
must we have been cottoning?
must you have been cottoning?
must they have been cottoning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not cotton?
must you not cotton?
must he not cotton?
must we not cotton?
must you not cotton?
must they not cotton? 	must I not be cottoning?
must you not be cottoning?
must he not be cottoning?
must we not be cottoning?
must you not be cottoning?
must they not be cottoning? 	must I not have cottoned?
must you not have cottoned?
must he not have cottoned?
must we not have cottoned?
must you not have cottoned?
must they not have cottoned? 	must I not have been cottoning?
must you not have been cottoning?
must he not have been cottoning?
must we not have been cottoning?
must you not have been cottoning?
must they not have been cottoning?